Topic > Snail Population Essay - 590

In this lab we will explore the effects of natural selection on a population of snails in two separate environments. Natural selection is a theory first introduced by Charles Darwin, who suggested that populations produce large numbers of offspring leading to limited resources for survival. This theory states that the individuals who adapt best to the environment are those who survive and continue to live to reproduce and pass on their genetic information to their offspring. The adapted traits would accumulate and change the population over time. The environment determines which traits are most evolutionarily desirable for an organism. If a population were to move or the environment were to change, a different set of traits would be the most advantageous and would therefore become adaptive. Darwin's famous finches are a great example of this as they show natural selection that occurred in populations that moved to different environments and then evolved into separate species, each with its own distinguishable beak adaptations. Furthermore, if two populations are found in similar environments, they are likely to be similar...